?This is a mini buzzer circuit electronic, circuit NE555 is used as a sound generator. When the switch is in the closed position, electric current is passed to the circuit. Installation of resistors and capacitors are useful for controlling the time period buzzer sounds in the IC NE555. pulse signal when the IC is positive, then the buzzer sounded. here I also include a PCB (printed circuit board) of the mini buzzer electronic and you can also download it. Here is a schematic drawing Simple Mini Electronic Buzzer:
Mini Simple Buzzer Electronic
PCB Mini Simple Buzzer Electronic
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